So, fetchmail is downloading the message from a POP3? IMAP? server to another machine, and then users use POP3 to access mail on that machine?
Can you make sendmail filter out any X-UID headers in messages? Maybe that is the problem if they are somehow leaking out and then going through fetchmail. -- Mark -- http://staff.washington.edu/mrc Science does not emerge from voting, party politics, or public debate.
